Answer:
Rome was able to gain its empire in large part by extending some form of citizenship to many of the people it conquered. Military expansion drove economic development, bringing enslaved people and loot back to Rome, which in turn transformed the city of Rome and Roman culture.Explanation:
The physical geographical feature in the old northwest which served as an internal borderland was the Appalachian mountains. This system of mountains. that was formed due to continent-continent convergence 480 million years. is still be a barrier to east-west travel. Because of its location and geographical position, all of its valleys are oriented in opposition to the roads that lead east or west, therefore it is can be considered as internal borderland.
I believe it was the defense the Chinese were implementing, from fear of the Moguls invading. So the Great was in place being built and the Government closed off trade and travel so no more boats were built.
I'd say the Southern colonies because they produced the most cotton.
The restitution native americans